| Acronym | Definition |
|---|
| LEIS➣Literacy Education Information System |
| LEIS➣Low-Energy Ion-Scattering |
| LEIS➣Law Enforcement Information System |
| LEIS➣Loop Engineering Information System |
| LEIS➣Low Energy Ion Spectroscopy |
| LEIS➣Literacy Education Information System (North Carolina Community College System) |
| LEIS➣Australian Leisure Index Database |